package cn.wzby;

public class Str1 {
    public static void main(String [] args) {
        String s1 = "恭喜发财";
        System.out.println(s1);
        s1 = "万事";
        String s2 = "如意";
        System.out.println(s1);
        System.out.println(s2);
        s1 += s2;
        System.out.println(s1);

    }
}
